package com.saxon.blog.controller;

import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@RestController
public class FileController{

    SimpleDateFormat sd = new SimpleDateFormat("yyyy/MM/dd");
    @PostMapping("/admin/upload")
    public String upload(MultipartFile uploadFile, HttpServletRequest req){
        String realPath = req.getSession().getServletContext().getRealPath("/uploadFile");
        String format = sd.format(new Date());
        File file = new File(realPath + format);
        if (!file.exists ()){
            file.mkdirs();
        }
        String oldName = uploadFile.getOriginalFilename();
        String newName = UUID.randomUUID().toString() + oldName.substring(oldName.indexOf("."));
        try {
            uploadFile.transferTo(new File(file,newName));
            String path = req.getScheme() + "://" + req.getServerName() + ":" + req.getServerPort() + "/uploadFile/" + format + newName;
            return path;
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "上传失败";
    }
}